{"nhtsa_id":10030304,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2009-09-21","date":"2009-02-24","document_id":"EF-09015","mfr_campaign":null,"replaces":null,"component":"VEHICLE SPEED CONTROL:CRUISE CONTROL","mfr_system":null,"summary":"CUMMINS: FAULT CODE 784 ACTIVE AND ADAPTIVE CRUISE CONTROL INOPERABLE. ENGINES BUILT WITH OR RECALIBRATED TO THE CALIBRATIONS AND INSTALLED IN TRUCKS EQUIPPED WITH AN EATON VORAD SMARTCRUISE SYSTEM, FAULT CODE 784 MAY BECOME ACTIVE. WHEN THIS HAPPENS, ADAPTIVE CRUISE CONTROL WILL NOT OPERATE, AND STANDARD CRUISE CONTROL MAY NOT OPERATE. ENGINES ISX, QSX15, ISM, ISME, QSM11. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10030304","components":[{"id":"speed-control","name":"Throttle and cruise control","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"ENGINE","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"CUMMINS","model":"ISM","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"CUMMINS","model":"ISX","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"CUMMINS","model":"QSX15","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}